7DATA COLLECTIONSCM2006 - Activities Prof. Dr. Füsun...

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Unformatted text preview: Activities Prof. Dr. Füsun Ülengin Data collection ¡ Data needed in a typical network configuration problem: ¡ Location of customers, retailers, existing warehouses and distribution centers, manufacturing facilities and suppliers ¡ All producs, including volumes, special transport modes (e.g. Refrigerated) ¡ Annual demand for each product by customer location ¡ Transportation rates by mode ¡ Warehousing costs, including labor, inventory carrying charges and fixed operating costs ¡ Shipment sizes and frequencies for customer delivery ¡ Order processing costs ¡ Customer service requirements and goals Data Aggregation ¡ The amount of data involved in any optimization model is overwhelming( a typical soft drink distribution system has between 10,000 to 120,000 accounts. Similarly, in a retail logistics network, the number of different products that flow through the network is in the thousands or even hundred of thousands). ¡ Therefore an essential first step is data aggregation ¡ Customers located in close proximity to eaach other are aggregated using a grid network or other clustering technique ¡ All customers within a single cell or a single cluster are...
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7DATA COLLECTIONSCM2006 - Activities Prof. Dr. Füsun...

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